Code cleanup from inspection results

resources/lang/en/errors.php

@@ -2,17 +2,17 @@
 
 
 return [
-    '401' => [
+    401 => [
         'title'   => 'Unauthorized Access',
         'message' => 'Well, this is embarrassing, you are not authorized to access or perform this function. '.
             'Click <a href=":link">here</a> to go back to the home page.',
     ],
-    '404' => [
+    404 => [
         'title'   => 'Page Not Found',
         'message' => 'Well, this is embarrassing, the page you requested does not exist.'.
             'Click <a href=":link">here</a> to go back to the home page.',
     ],
-    '503' => [
+    503 => [
         'title'   => 'Internal Error',
         'message' => 'An Error Occured',
     ],